Simplifies sending notifications to your end users through multiple channels

A spaced-repetition system to be used with ActiveRecord models

Instruments all activerecord objects with notifications around callbacks

confirmatin view on model creation / changes

Helping functionality for filtering, sorting and stuff like that with data-tables and ActiveRecord.

A tool for setting your database to read-only mode allowing you to conduct migrations, move database, or condut other actions that may typically involve taking a database fully offline

activerecord-importer - Another Data Importer

ActiveRecord generator and RSpec templates that add some basic functionality to the model and its spec

map activerecord models to tables depending on context

An adapter for ActiveRecord and AREL to support the NuoDB distributed database backend.

ActiveRecord support for PostgreSQL JSON type supporting Rails 4.0-4.1

Using an ActiveRecord scope, recursively query trees.

For data records that only need to be partially updated, this provides versioning for dirty attributes

Stream ActiveRecord results

Defines test assertions to test against SQL queries

Queue up calls to specific models and execute them in transactions, after a certain number of models have been added.

activerecord-utils - utilities (e.g. random, alias_attr, etc.) for activerecord

A method that allows you to run code without callbacks for a specific active-record model.

HTTP conditional get support for ActiveResource

ActiveService is a Rails extension that aims at creating reusable, transactional services in your application to make your code more DRY.